At the first studio in Washington to offer Megaformer workouts on machines, class-goers lunge, plank, and work their muscles to the point of failure in each 50-minute session. The total-body exercises are performed in a slow, controlled manner. $35; $19 for the first class. 1841 Columbia Rd., NW; 267-455-6457.

With the opening of its Logan Circle outpost, scheduled for January 1, this indoor cycling studio now offers two places to work up a sweat. Instructors double as deejays as they coach you through hills and sprints on the bike to the beat of heart-pumping music. $21. 4866 Cordell Ave., Bethesda, 301-312-6658; 1508 14th St., NW, no phone yet.

Take your practice to new heights at this Clarendon studio’s aerial-yoga class. Students hang from silks as they bend and twist their bodies into various poses. Hot vinyasa, ashtanga, barre, and Pilates classes are also available. $20 to $30. 2201-G N. Pershing Dr., Arlington; 703-248-9642.

No membership, no reservation, no problem. This boutique gym with two locations on Capitol Hill offers 30-minute, low-impact, high-intensity circuit training for $10. Drop by at your convenience and a personal trainer will get you started. 650 Pennsylvania Ave., SE; 877-657-0004.